diff --git a/src/runtime-three/runtime-project-scheduler.ts b/src/runtime-three/runtime-project-scheduler.ts
index 6d9798fb..c95c4f0b 100644
--- a/src/runtime-three/runtime-project-scheduler.ts
+++ b/src/runtime-three/runtime-project-scheduler.ts
@@ -31,7 +31,8 @@ import {
   findHeldSequenceControlEffect,
   getHeldSequenceControlEffects,
   getProjectSequenceImpulseSteps,
-  getProjectScheduleRoutineHeldSteps
+  getProjectScheduleRoutineHeldSteps,
+  type ImpulseSequenceStep
 } from "../sequencer/project-sequence-steps";
 import type { ProjectSequenceLibrary } from "../sequencer/project-sequences";